Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD1dQsyysI6EzniDmRsJF/9Ydh9Fow/zaFdbf6tDe90Rnd/grMRe0TH8EuW… (844 chars)"
  }
}